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Potassium Sorbate Granular | ||
Appearance | Colorless crystals or white crystalline powder | |
Identification | Conform | |
Identification A+B | Passes Test | |
Heat stability | No discoloration (105℃) | |
Assay( dry weight basis,%) | 99~101.0 | |
Water | ≤0.5% | |
Melting range | 133-135℃ | |
Residue on ignition(%) | ≤0.2 | |
Sublimation point | 80℃ | |
Ph VALUE(10% water solution) | 3-3.5 | |
Heavy Metals(as Pb)(mg/kg) | ≤10 | |
Arsenic (as As)(mg/kg) | ≤2 | |
Lead(mg/kg) | ≤2 | |
Mercury(mg/kg) | ≤0.1 | |
Aldehyde(as Formaldehyde) | ≤0.1% | |
Mesh size | 60-80 mesh | |
Organic volatile impurities | Meets the requirements | |
Residual solvents | Meets the requirements |
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